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36740781 = 3271153017
BaseRepresentation
bin1000110000100…
…1111010101101
32120010121212200
42030021322231
533401201111
63351252113
7624201660
oct214117255
976117780
1036740781
1119814990
121037a039
1377c520c
144c456d7
15335b256
hex2309ead

36740781 has 24 divisors (see below), whose sum is σ = 66166464. Its totient is φ = 19085760.

The previous prime is 36740779. The next prime is 36740801. The reversal of 36740781 is 18704763.

36740781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36740781 - 21 = 36740779 is a prime.

It is a super-3 number, since 3×367407813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36740761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25816 + ... + 27201.

It is an arithmetic number, because the mean of its divisors is an integer number (2756936).

Almost surely, 236740781 is an apocalyptic number.

It is an amenable number.

36740781 is a deficient number, since it is larger than the sum of its proper divisors (29425683).

36740781 is a wasteful number, since it uses less digits than its factorization.

36740781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53041 (or 53038 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 36740781 is about 6061.4174084945. The cubic root of 36740781 is about 332.4421849088.

The spelling of 36740781 in words is "thirty-six million, seven hundred forty thousand, seven hundred eighty-one".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 53017 159051 371119 477153 583187 1113357 1749561 3340071 4082309 5248683 12246927 36740781